Hotel Ontario
Hotel, 3-starZamecký Vrch 20, Karlovy Vary, Czech RepublicShow on map
Top rated
Guests rate it highest for service, location and cleanliness.
9.22,366Reviews- Check-in from 2:00 PMCheck-out by 11:00 AM.
- Superb locationGuests rate the location 9.3 out of 10, at Zamecký Vrch 20.
- Free parkingThe property states parking on site is free for guests.
Historic Charm and Central Location
Spectacular Views from Every Room
Convenient Amenities and Services
Experience the historic charm of the three-and-a-half-star Hotel Ontario, with a 150-year tradition overlooking the famous Mill Colonnade in the heart of Karlovy Vary. Wake up to spectacular views of the city or lush greenery from every room. Enjoy the convenience of spacious accommodations equipped with a seating area, flat-screen TV, wardrobe, fridge, and kettle. Benefit from a camera-guarded private car park and pet-friendly policy. Indulge in a buffet breakfast and explore nearby restaurants, cafes, mineral springs, and spas just steps away. Book now for a memorable stay at Hotel Ontario.
What this place offers
- WiFi available
- Free WiFi
- Parking
- Free Parking
- Non-smoking rooms
- Heating
- Pets allowed
- Lift / Elevator
- Luggage storage
- Safety deposit box
Rooms
9.2
Top rated
Rated 9.2 out of 10 by 2,366 guests who stayed here.
- Cleanliness9.1
- Service9.6
- Location9.3
- Rooms9.1
- Amenities8.9
- Value9.1
- Food & drink9.1
Guests mention
Great locationFriendly staff
LidaCzech RepublicPoloha a krásný pokoj s výhledem na Vary
HeikeGermanySehr gute zentrale Lage. Sehr geräumige Zimmer mit guter Ausstattung. Alles war sauber - nettes Personal- gutes Frühstück.
Jederzeit gerne wieder
KirilsLVPlace, view, room, furniture, overall atmosphere, polite professional personel and good breakfast.
FlorinRomaniaVery good
Location
Zero
MariaAustriaSchönes, gepflegtes, ruhiges Hotel in bester Lage oberhalb der Mühlbrunnenkolonnade. Mit dem Schlossturmlift ist man in 5 Minuten in der Fußgängerzone. Sehr große, schöne Zimmer im Schloss-Stil, feines,…
BerndGermanyTolles Hotel in guter Lage
Sehr zentral gelegen.
Kostenlose Parkplätze.
Sehr saubere und große Zimmer.
Tolles Frühstück.
Reviews are written by guests who booked through our supplier and stayed, shown as written and in their own language. Category scores are the supplier’s reading of recent reviews, updated December 2025.
Where you’ll be
Zamecký Vrch 20, Karlovy Vary, Czech Republic
Guests rate the location 9.3 out of 10 — superb.
Things to know
Cancellation
Each room shows its own terms before you pay.
Most rates can be cancelled free until a date shown on the room.
Non-refundable rates are marked as such.
House rules
Check-in from 2:00 PM until 07:00 PM
Check-out by 11:00 AM
Children welcome
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No pets
Free parking on site
Non-smoking rooms available
Payment & property
Paid when you book, not at the desk.
Rates include the taxes and fees we can read.
The property may take a card at check-in for incidentals.
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Please note that American Express cards can be used only in the reservation process, they cannot be accepted as a payment option on site. Please note that after official check-in time, late check-in fee may apply.Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply. Guests under the age of 18 can only check in with a parent or official guardian. Please inform of your expected arrival time in advance. You can use the Special Requests box when booking, or contact the property directly using the contact details in your confirmation. A deposit may be required at the property.
What we’d check for you here
- The pet fee and any size limit, which is where these bookings usually come apart.
- Whether there is room for a pickup, a trailer or a van, not just a car.
- Whether breakfast is in the rate or added at checkout, and what time it runs.
- Whether the rate moves for your dates, and what it includes.
- What the property actually charges at the desk on top of the rate.
Questions about Hotel Ontario
What time is check-in and check-out at Hotel Ontario?
Check-in is from 2:00 PM. Check-out is by 11:00 AM. If you're arriving late, tell us and we'll ask the property to hold the room.
Does Hotel Ontario allow pets?
No — the property states that pets are not allowed.
Is there parking at Hotel Ontario?
Yes — the property states that parking on site is free. Whether a space can be reserved in advance varies, so we check it against your dates.
Is breakfast included at Hotel Ontario?
Breakfast is offered at the property. Whether it's included depends on the rate — the board type is shown on each room once you put your dates in.
Does Hotel Ontario have Wi-Fi?
Yes — internet access is listed among the property's facilities.
How do I book Hotel Ontario?
Put your dates in above and book online, or call (888) 789-8585 and we'll do it for you — including things a booking form can't handle, like a block of rooms, a monthly rate or an invoice for your employer.
Where is Hotel Ontario?
Zamecký Vrch 20, Karlovy Vary.
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